In a Sample of 14 Participants,a Researcher Estimates the 90

question 13

Multiple Choice

In a sample of 14 participants,a researcher estimates the 90% CI for a sample with a mean of = 10.7 and an estimated standard error for the difference ( ) of 2.9.What is the confidence interval at this level of confidence?

• A)90% CI 4.4,17.0
• B)90% CI 5.5,15.9
• C)90% CI 7.8,13.6
• D)There is not enough information to answer this question.

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